Alligator Organic MTB Bike Disc Brake Pads for Formula ORO/ K18/K24 (2 Pair) There are only 2 Amazon market place sellers independently "Authorized" by Alligator Cables: Amazon, and My Cyclist Alligator Organic Compound Brake Pads with Spring for FORMULA Oro / K18 / K24 Protect your rotor, Quite braking, no noise, High Static friction coefficient All weather application, Superb braking performance for both dry and wet 2 sets for 2 calipers, spring included, Asbestos free, Quality Made in Taiwan